diff --git a/core/src/main/java/com/volmit/iris/core/nms/v1X/NMSBinding1X.java b/core/src/main/java/com/volmit/iris/core/nms/v1X/NMSBinding1X.java
index cb156dc65..adfb25a96 100644
--- a/core/src/main/java/com/volmit/iris/core/nms/v1X/NMSBinding1X.java
+++ b/core/src/main/java/com/volmit/iris/core/nms/v1X/NMSBinding1X.java
@@ -33,6 +33,7 @@ import com.volmit.iris.util.nbt.mca.palette.MCAPaletteAccess;
 import com.volmit.iris.util.nbt.tag.CompoundTag;
 import org.bukkit.*;
 import org.bukkit.block.Biome;
+import org.bukkit.block.data.BlockData;
 import org.bukkit.entity.Dolphin;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.EntityType;
diff --git a/core/src/main/java/com/volmit/iris/engine/object/IrisMerger.java b/core/src/main/java/com/volmit/iris/engine/object/IrisMerger.java
index d3867e3ea..64a300191 100644
--- a/core/src/main/java/com/volmit/iris/engine/object/IrisMerger.java
+++ b/core/src/main/java/com/volmit/iris/engine/object/IrisMerger.java
@@ -48,7 +48,7 @@ public class IrisMerger {
     private boolean useMemoryWorld = false;
 
     @Desc("Allows to gen chunks on the mergers world")
-    private boolean allowGenChunks = false;
+    private boolean allowGenChunks = true;
 
     @Desc("Uses a world instead of a generator")
     private String world;
diff --git a/nms/v1_20_R4/src/main/java/com/volmit/iris/core/nms/v1_20_R4/NMSBinding.java b/nms/v1_20_R4/src/main/java/com/volmit/iris/core/nms/v1_20_R4/NMSBinding.java
index 6f22e3585..c531f1048 100644
--- a/nms/v1_20_R4/src/main/java/com/volmit/iris/core/nms/v1_20_R4/NMSBinding.java
+++ b/nms/v1_20_R4/src/main/java/com/volmit/iris/core/nms/v1_20_R4/NMSBinding.java
@@ -572,12 +572,18 @@ public class NMSBinding implements INMSBinding {
         return null;
     }
 
-
     @Override
     public Entity spawnEntity(Location location,  org.bukkit.entity.EntityType type, CreatureSpawnEvent.SpawnReason reason) {
         return ((CraftWorld) location.getWorld()).spawn(location, type.getEntityClass(), null, reason);
     }
 
+    @Override
+    public boolean setBlock(World world, int x, int y, int z, BlockData data, int flag, int updateDepth) {
+        var level = ((CraftWorld) world).getHandle();
+        var blockData = ((CraftBlockData) data).getState();
+        return level.setBlock(new BlockPos(x, y, z), blockData, flag, updateDepth);
+    }
+
     @Override
     public Color getBiomeColor(Location location, BiomeColor type) {
         LevelReader reader = ((CraftWorld) location.getWorld()).getHandle();
diff --git a/nms/v1_21_R1/src/main/java/com/volmit/iris/core/nms/v1_21_R1/NMSBinding.java b/nms/v1_21_R1/src/main/java/com/volmit/iris/core/nms/v1_21_R1/NMSBinding.java
index b7963e6b4..f3df1953b 100644
--- a/nms/v1_21_R1/src/main/java/com/volmit/iris/core/nms/v1_21_R1/NMSBinding.java
+++ b/nms/v1_21_R1/src/main/java/com/volmit/iris/core/nms/v1_21_R1/NMSBinding.java
@@ -575,6 +575,12 @@ public class NMSBinding implements INMSBinding {
         return null;
     }
 
+    @Override
+    public boolean setBlock(World world, int x, int y, int z, BlockData data, int flag, int updateDepth) {
+        var level = ((CraftWorld) world).getHandle();
+        var blockData = ((CraftBlockData) data).getState();
+        return level.setBlock(new BlockPos(x, y, z), blockData, flag, updateDepth);
+    }
 
     @Override
     public Entity spawnEntity(Location location,  org.bukkit.entity.EntityType type, CreatureSpawnEvent.SpawnReason reason) {